OVERVIEW

Citi's technology team is growing at lightning speed, and we're looking for talented technologists to help build the future of global banking. Our teams are creating innovations used across the globe - we're changing the way people bank and how the world does business. Citi's technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi. Join an environment with a laser focus on growth and progress, and take your career to the next level through the power of Citi's unmatched globality and vast expertise.

SUCCESS PROFILE

As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology, we're building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us!

• Creative
• Analytical
• Collaborative
• Productive
• Adaptable
• Relationship Expertise

RESPONSIBILITIES

This role is responsible for supporting our VMware NSX environment including the implementation and ongoing support for internal and hybrid cloud, NSX environment builds and maintenance, and troubleshooting of the network virtualization infrastructure. Additional responsibilities include working with automation and updating products to install and maintain security updates and patches. A solid understanding of networking and knowledge of VMware NSX is a must for this position along with experience working in a large environment with a strong DevOps and SRE focus.

RESPONSIBILITIES:

• Ensuring network reliability and availability through well-planned and implemented solutions
• Improving network manageability and scalability
• Developing, maintaining, and supporting networks in NSX/NSX-T
• Monitoring the automation of network deployment and configuration, along with the integration of infrastructure (computer/storage) automation
• Monitoring integration with other software-defined networking technologies
• Supporting Build and Operational functions in Continuous Integration/Deployment, Provisioning, Orchestration, Configuration Management and Monitoring
• Effectively handle issues and escalations, as well as resolve production problems, reporting to management on status and technical matters
• Planning and execution of regular maintenance activities to continuously increase efficiency and scalability and improve speed of deployment
• Provide Root Cause Analysis (RCA) post restoration of service
• Provide technical/strategic direction to team members
• Review requirement documents, define hardware requirements and update processes and procedures as necessary
• Ensure ongoing compliance with audit and regulatory requirements for financial sector

QUALIFICATIONS/TECHNICAL SKILLS:

• 3+ years' experience working with VMware on enterprise level with strong focus on network virtualization (VCP-NV and VCP-DCV certifications a plus)
• Strong knowledge of core networking topics such as TCP/IP routing & switching, SSL/TLS, and layer-4/layer-7 load balancing tools & techniques for web applications and services
• Experience working with network overlay technologies like VXLAN, OTV and EVPN/BGP
• Strong understanding of Layer 2 and Layer 3 networking tools and technologies (e.g., Ethernet, IP, ARP, ping, traceroute)
• Understanding of standards-based routing protocols (OSPF and BGP)
• Understanding of core load balancing principles as well as Transport and Application Layer principles (persistence, monitoring [TCP, HTTP, HTTPS], cookies, etc.)
• Understanding of network-based security (e.g., access lists) and security concepts (black list vs. white list)
• Familiarity with container orchestration technologies (Kubernetes, OpenShift) including Container lifecycle, pods, services, controllers, API, storage, security, networking, load balancing
• Knowledge of Kubernetes and OpenShift network policy, ingress/egress control, service meshes
• Knowledge of challenges and solutions around network security topics such as firewalls, micro segmentation, and 'zero trust' approaches to network security
• Understanding of container runtime application architectures and methodologies including microservices, self-healing stateless applications, and serverless architectures
• Familiarity with CI-CD pipeline workflow and tools involved (bitbucket, Jenkins, Artifactory, etc)
• Working knowledge of IaaS, PaaS, and SaaS cloud architectures and the capabilities and challenges involved with their implementation in cloud environment
• Passion for working with new technologies and a strong desire to always be looking for better solutions to problems
• Bonus if experience building and maintaining monitoring solutions for vSphere/NSX using vRealize Operations (VROPS) for reporting, troubleshooting, and capacity planning

EDUCATION:

• Bachelor's/University degree equivalent experience

JOB FAMILY GROUP: Technology JOB FAMILY: Systems & Engineering TIME TYPE: Full time

Citi is an equal opportunity and affirmative action employer. Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Citigroup Inc. and its subsidiaries ("Citi") invite all qualified interested applicants to apply for career opportunities. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review ACCESSIBILITY AT CITI. View the "EEO IS THE LAW" poster. View the EEO IS THE LAW SUPPLEMENT. View the EEO POLICY STATEMENT. View the PAY TRANSPARENCY POSTING

Citi enables growth and progress for individuals, communities, institutions and governments around the world and has been doing so for more than 200 years. They recognize that their ability to best serve their clients and customers comes from the diverse and engaged employee base and they work tirelessly to deliver opportunities for growth and development to the most talented people. This is a place where the best come to get better.